...The sexual cycle is brought about by a kind of biological autoregulatory mechanism between the nervous system and the endocrine system in the diencephalon-pituitary-ovarian axis, and is brought about by the interaction between the hypothalamus and anterior pituitary gland in the brain and the ovaries, which in turn regulate the secretion of hormones from each. From [Gonadotropin]…They are also called gonadotropic hormones. In vertebrates, they include two hormones secreted from the anterior pituitary gland: follicle-stimulating hormone (abbreviated as FSH) and luteinizing hormone (abbreviated as LH) or interstitial cell-stimulating hormone (abbreviated as ICSH), and chorionic gonadotropin (abbreviated as CG, but abbreviated as hCG in humans), secreted from the placenta. Both are glycoproteins, and in humans, FSH has a molecular weight of about 35,000, while LH and hCG have a molecular weight of about 30,000. … From the Pituitary Gland...That is, this hormone promotes the breakdown of thyroglobulin (thyroglobulin) produced and stored in the thyroid gland and its secretion as thyroid hormone, while promoting the uptake of iodine into the thyroid gland and the production of new thyroglobulin. (5) Follicle-stimulating hormone (FSH) In women, it acts on the ovaries to promote the development of primordial follicles, and in men, it promotes spermatogenesis in the testes. (6) Luteinizing hormone (LH) In women, it promotes the development of follicles together with FSH and stimulates the production and secretion of estrogen. ... *Some of the terminology that mentions "follicle-stimulating hormone" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…性周期は,間脳・脳下垂体‐卵巣系における神経系と内分泌系との間の,一種の生体自動調節機構によってもたらされるもので,脳の視床下部・脳下垂体前葉と卵巣とが相互に作用しあい,それぞれからのホルモン分泌が巧妙に調節されて起こる。 【ゴナドトロピン】より…生殖腺(性腺)刺激ホルモンともいう。脊椎動物では,脳下垂体前葉から分泌される卵胞(濾胞)刺激ホルモンfollicle‐stimulating hormone(FSHと略す)と黄体形成ホルモンluteinizing hormone(LHと略す)または間質細胞刺激ホルモンinterstitial cell‐stimulating hormone(ICSHと略す)の2種のホルモンと,胎盤から分泌される絨毛(じゆうもう)(膜)性ゴナドトロピンchorionic gonadotropin(CGと略すが,ヒトの場合はhCGと略す)が含まれる。ともに糖タンパク質で,ヒトのFSHは分子量約3万5000,LH,hCGは約3万である。… 【脳下垂体】より…すなわち,このホルモンは,甲状腺でつくられ蓄えられているチログロブリン(サイログロブリン)が分解されて甲状腺ホルモンとして分泌されるのを促進する一方,甲状腺へのヨウ素の取込みを促し,新たにチログロブリンをつくる働きをする。(5)卵胞刺激ホルモンfollicle‐stimulating hormone(FSH) 女性では卵巣に働いて原始卵胞の発育を促す作用をもち,男性では睾丸の精子形成を促進する。(6)黄体形成ホルモンluteinizing hormone(LH) 女性ではFSHとともに卵胞の発育を促進し,エストロゲンの産生と分泌を刺激する。… ※「follicle-stimulating hormone」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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